Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid z-index auto width 160px display block box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static padding 20px font-weight normal border-radius margin 0px transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default background float none overflow hidden height auto line-height 1 transform font-size 16px